耐热等级

含二氮杂萘酮联苯结构的聚芳醚砜酮树脂（PPESK）是近年来开发和应用的一种新型的高性能聚醚类树脂，是目前耐热等级最高的可溶性特种工程塑料。

Poly ( phthalazinone ether sulfone ketone )( PPESK ), a novel Poly ( aryl ether sulfone ketone ) with outstanding colligate performances , has been exploited in recent years .

有机硅压敏胶常被用作180℃材料，但理论上应该具有更高的耐热等级。

Silicone PSAs is usually used as 180 ℃ materials , but it should have better performance in theory .

以低温消融吸热/隔热机理为理论指导，研究一种特定耐热等级的气动热防护材料。

According to the low temperature melting decalescence / heat insulation mechanism , a given grade aero-dynamic heat-resistant coating was studied in this paper .

通过实验得到了绝缘树脂的热老化性能参数，如温度指数等，验证了绝缘树脂耐热等级的可靠性。

Then the properties parameters , such as temperature index , are gotten by experiment . The reliability of insulation resin with heat-resistant class is verified .

众所周知，聚酰亚胺材料是目前应用耐热等级最高的高分子材料，但在特定环境使用也存在老化问题。

As is known to all , polyimide materials is currently used to heat the highest level polymer materials , but there are also ageing problems used in specific environment .

聚酰亚胺是迄今为止在工业应用耐热等级最高的聚合物材料，是一种重要的工程塑料，已在航天航空、电子电气等多项产业中得到广泛应用。

Polyimide ( PI ), as a typical kind of engineering polymer material with highest thermal stability hitherto , has widely been used in the aviation and microelectronic industries because of its outstanding performances .

用高聚合度PVC树脂研制耐热120℃等级PVC电缆料

Preparation of PVC Cable Compound of the Grade Resistant to 120 ℃ Temperature by Using the PVC Resin of High Degree of Polymerization

着重从绝缘材料的耐热生分析，并通过热老化试验确定耐热等级，以及如何选用绝缘结构、材料和常用电磁线。

Emphatically analyze the heat resistance of insulation materials , heat resistant classes determined by heat ageing test and how to select the insulating structure , materials and service electromagnetic wires .